Singapore/ located/ Southeast Asia.9/15 Singapore/ located/ Southeast Asia.Singapore is located in Southeast Asia.Singapore was located in Southeast Asia.Singapore is located on Southeast Asia.Singapore was located on Southeast Asia.Giải thíchĐáp án C Giải thích: Cấu trúc: “be located in” nằm ở Dịch: Singapore nằm ở Đông Nam Á.